package com.zzyl.nursing.service.impl;

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import cn.hutool.core.collection.ListUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import com.alibaba.druid.sql.ast.statement.SQLForeignKeyImpl;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.zzyl.common.core.domain.model.LoginUser;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.common.utils.StringUtils;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.nursing.dto.UserLoginRequestDto;
import com.zzyl.nursing.service.WechatService;
import com.zzyl.nursing.vo.LoginVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.FamilyMemberMapper;
import com.zzyl.nursing.domain.FamilyMember;
import com.zzyl.nursing.service.IFamilyMemberService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 * 
 * @author alexis
 * @date 2025-06-03
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService {
    @Autowired
    private FamilyMemberMapper familyMemberMapper;

    @Autowired
    private WechatService wechatService;

    @Autowired
    private TokenService tokenService;

    //昵称随机常量
    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of(
            "poker",
            "爱坤爱跳舞",
            "生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"

    );

    /**
     * 查询老人家属
     *
     * @param id 老人家属主键
     * @return 老人家属
     */
    @Override
    public FamilyMember selectFamilyMemberById(Long id) {
        return familyMemberMapper.selectById(id);
    }

    /**
     * 查询老人家属列表
     *
     * @param familyMember 老人家属
     * @return 老人家属
     */
    @Override
    public List<FamilyMember> selectFamilyMemberList(FamilyMember familyMember) {
        return familyMemberMapper.selectFamilyMemberList(familyMember);
    }

    /**
     * 新增老人家属
     *
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int insertFamilyMember(FamilyMember familyMember) {
        return familyMemberMapper.insert(familyMember);
    }

    /**
     * 修改老人家属
     *
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int updateFamilyMember(FamilyMember familyMember) {
        return familyMemberMapper.updateById(familyMember);
    }

    /**
     * 批量删除老人家属
     *
     * @param ids 需要删除的老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberByIds(Long[] ids) {
        return familyMemberMapper.deleteBatchIds(Arrays.asList(ids));
    }

    /**
     * 删除老人家属信息
     *
     * @param id 老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberById(Long id) {
        return familyMemberMapper.deleteById(id);
    }

    /**
     * 小程序登录
     *
     * @param userLoginRequestDto
     * @return
     * 1.login方法：
     * 通过微信code获取openId
     * 查询或新建家属用户
     * 获取微信手机号并更新用户信息
     * 生成JWT token并返回登录结果
     * 2.saveOrUpdateFamilyMember方法：
     * 比较并更新手机号
     * 存在id则更新用户，不存在则新建
     * 新用户昵称由随机前缀+手机号后4位组成
     * 主要功能：处理微信小程序登录，管理家属用户信息，返回登录凭证。
     */
    @Override
    public LoginVo login(UserLoginRequestDto userLoginRequestDto) {
        //1.调用微信获取openId
        String openId = wechatService.getOpenId(userLoginRequestDto.getCode());
        if (StrUtil.isEmpty(openId)) {
            throw new BaseException("获取openID失败");
        }

        //2.根据openId查询数据
        FamilyMember familyMember = getOne(Wrappers.<FamilyMember>lambdaQuery(FamilyMember.class).eq(FamilyMember::getOpenId, openId));

        //3.如果查询不到，创建家属对象
        if (ObjectUtil.isEmpty(familyMember)) {
           familyMember = new FamilyMember();
           familyMember.setOpenId(openId);
        }
        //4.调用微信获取手机号
        String phone = wechatService.getPhone(userLoginRequestDto.getPhoneCode());

        //5.保存或修改家属信息
        saveOrUpdateFamilyMember(familyMember, phone);

        //6.生成token
        Map<String, Object> claims = new HashMap<>();
        claims.put("userId", familyMember.getId());
        claims.put("nickName", familyMember.getName());
        String token = tokenService.createToken(claims);

        LoginVo loginVo = new LoginVo();
        loginVo.setToken(token);
        loginVo.setNickName(familyMember.getName());

        return loginVo;


    }

    /**
     * 保存或修改家属信息
     * @param familyMember
     * @param phone
     */
    private void saveOrUpdateFamilyMember(FamilyMember familyMember, String phone) {
        //1.判断获取到的手机号与数据库保存的手机号是否一致
        if (ObjectUtil.notEqual(phone, familyMember.getPhone())) {
            //修改手机号
            familyMember.setPhone(phone);
        }

        //2.判断id存在，则修改
        if (ObjectUtil.isNotEmpty(familyMember.getId())) {
            updateById(familyMember);
            return;
        }

        //3.id不存在，保存新用户  昵称 + 手机号后四位
        String nickName = DEFAULT_NICKNAME_PREFIX.get((int) (Math.random() * DEFAULT_NICKNAME_PREFIX.size())) + StringUtils.substring(familyMember.getPhone(), 7);
        familyMember.setName(nickName);
        save(familyMember);
    }
}


